Geographical
MISSOURI
(C = Commercial R = Residential)

John A. Jurgiel & Associates, Inc., (C,R)
John P. Jurgiel, CIH, CSP, PE
Robert A. Jurgiel, PE, CSP
Eve N. Koski
123 North Main Street
Saint Charles, MO 63301
(636) 757-3060
jjurgiel@jurgiel.com
www.jurgiel.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 3 Biological Monitoring, 4 Biosafety, 5 Consulting, 6 Education and Training, 8 Environmental Protection and Monitoring, 10 Ergonomics, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 16 Labs - Health and Safety, Testing, 17 Legal and Expert Witness, 18 Mold, 20 OHS Management Systems, Auditing and Compliance, 21 Personal Protective Equipment, 24 Real-time Detection Services and Direct Reading Instruments, 25 Regulatory Compliance, 26 Respiratory Protection, 27 Risk Assessment and Management, 28 Safety, 30 Thermal Stress Protection and Monitoring, 31 Toxicology, 32 Ventilation, 33 COVID-19

Terracon Consultants, Inc., (C)
James Baxter
11600 Lilburn Park Road Saint Louis, MO 63146-3535 (314) 692-8811 (800) 593-7777 (314) 692-8810 FAX james.baxter@terracon.com www.terracon.com
11600 Lilburn Park Road Saint Louis, MO 63146-3535 (314) 692-8811 (800) 593-7777 (314) 692-8810 FAX james.baxter@terracon.com www.terracon.com
1 Aerosol and Airborne Particulate Monitoring, 2 Asbestos, Lead and Dust, 3 Biological Monitoring, 5 Consulting, 6 Education and Training, 8 Environmental Protection and Monitoring, 11 Exposure Assessment, 12 Gas and Vapor Detection, 13 Hazard Communication, 14 Hearing Conservation and Noise Reduction, 15 Indoor Air Quality, 16 Labs – Health and Safety, Testing, 17 Legal and Expert Witness, 18 Mold, 21 Personal Protective Equipment, 24 Real-time Detection Services and Direct Reading Instruments, 25 Regulatory Compliance, Compliance, 26 Respiratory Protection, 27 Risk Assessment and Management, 30 Thermal Stress Protection and Monitoring, 32 Ventilation